Skip to main content
. 2021 Feb 25;36(1):693–706. doi: 10.1080/14756366.2021.1890726

Table 16.

Macrocyclic pyrrolo[2,3-d]pyrimidines published by G1 Therapeutics.

  Inline graphic
Compound 82 83 84
R Piperidin-3yl Pyrrolodin-3yl Morpholin-2yl
IC50 (µM)      
 CDK9/T 0.0055 0.012 0.088
 CDK7/H 13 12 61
 CDK6/D3 28 14 >100
 CDK5/p25 35 19 43
 CDK5/p35 30 16 40
 CDK1/B1 4.4 5.6 31
 CDK2/A 3.1 3.1 10
 CDK2/E 13 12 26
 CDK3/E 7.2 8.6 54
 CDK4/D1 2.9 2.3 27

CDK: cyclin-dependent kinase; IC50: half maximal inhibitory concentration.